Grover Roto-Grip 6 inline mini locking tuners. Updated design offers high tuning stability and quick string changes with a familiar lock knob on the back of each tuner. Requires 3/8(10mm) peghead holes. Features Grover's limetime guarantee.The item "505G6 Grover Gold 6 Inline Roto-Grip Mini Locking Guitar Tuners" is in sale since Thursday, June 8, 2017. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Parts & Accessories\Guitar & Bass Parts\Tuning Pegs". The seller is "guitarpartsfactory" and is located in Millersport, Ohio. This item can be shipped worldwide.